LNWR Class A

The London and North Western Railway (LNWR) Class A was a class of 0-8-0 steam locomotives. From 1893 to 1900, Crewe Works built 111 of these engines, which had a three-cylinder compound arrangement, and were designed by Francis Webb. According to the LNWR Society, 110 were built between 1894 and 1900.

LNWR Class A
No. 50 in photographic grey livery
Type and origin
Power typeSteam
DesignerF.W. Webb
BuilderLNWR at Crewe Works
Build date1893–1900
Total produced111
Specifications
Configuration:
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 • Whyte0-8-0
 • UICD n3vg
Gauge4 ft 8+1⁄2 in (1,435 mm)
Driver dia.4 ft 8 in (1.42 m)
Wheelbase17 ft 3 in (5.26 m)
Loco weight50 long tons 0 cwt (112,000 lb or 50.8 t)
Fuel typeCoal
Boiler pressure175 psi (1.21 MPa)
Heating surface1,489 sq ft (138.3 m2)
CylindersThree, compound
High-pressure cylinder(2 outside) 15 by 24 inches (380 mm × 610 mm)
Low-pressure cylinder(1 inside) 30 by 24 inches (760 mm × 610 mm)
Valve gearStephenson link motion
Career
OperatorsLondon and North Western Railway
Disposition15 rebuilt to Class C 1904–06
62 rebuilt to Class D 1906–09
34 rebuilt to Class C1 1909–12
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